<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>原生页面初始化</title>
		<script type="text/javascript">
			// 页面刚开始加载时就执行
			alert('网页加载中。。。');
		</script>
	</head>
	<body>
		<h1>原生js页面初始化</h1>
	</body>
</html>
